Page History

...

Major Changes to Core OS

Sched

MM

libc

tools

various

Major Changes to the Build System

New Features

Bug Fixes

Architectural Support

New Architecture Support

Architecture Improvements

* [#15080* [#15129](https://github.com/apache/nuttx/pull/15080) xtensa/esp32: encrypted MTD for partition offset15129) sched_processtimer: use atomic to protect g_timer_interval and g_timer_tick
* [#15082#15130](https://github.com/apache/nuttx/pull/1508215130) xtensasched/esp32s3wdog: add lock for async operation workuse small lock to protect g_wdactivelist
* [#15083#15136](https://github.com/apache/nuttx/pull/15083) arch/arm64/src/imx9/imx9_usdhc.c: Simplify eventwait logic and remove…
* [#1508415136) clock_timekeeping: remove enter_critical_section in sched/clock/clock_timekeeping.c
* [#15139](https://github.com/apache/nuttx/pull/1508415139) risc-vsched/mpfs: make cache clearing optionalclock: call up_timer_gettime() to get higher resolution
* [#15769#15151](https://github.com/apache/nuttx/pull/1576915151) arch/zynq-mpsoc improve the ethernet driver
* [#15781](https://sched/clock: cleanup g_system_ticks reference if arch timer is enabled
* [#15324](https://github.com/apache/nuttx/pull/15781) arch/arm/src/samv7/sam_tc_lowerhalf.c: do not set the CPCSTOP bit
* [#1580015324) sched: remove spin_lock_irqsave(NULL) support
* [#15346](https://github.com/apache/nuttx/pull/1580015346) archsched/armv7-r: PROTECTED mode support (1/2)event: init deleted node to avoid null pointer reference
* [#15813#15377](https://github.com/apache/nuttx/pull/1581315377) archsched/armv7-r: PROTECTED mode support (2/2)semaphore: tick wait 0 timeout should be safe in interrupt context
* [#15835#15415](https://github.com/apache/nuttx/pull/15835) arch/risc-v: move stack boundary check into backtrace15415) sched: remove all spin_lock_irqsave(NULL)
* [#15837#15509](https://github.com/apache/nuttx/pull/15837) arch/arm/max326xx: add max32690 gpio driver15509) Revert "sched: misc: Remove sched_lock in _assert()"
* [#15843#15518](https://github.com/apache/nuttx/pull/1584315518) archsched/arm/imx9: scmi: update to scmi 3.2 specclock: remove unlock logic to avoid relock
* [#15872#15561](https://github.com/apache/nuttx/pull/1587215561) archsched/arm/tiva: Add complementary PWM mode supporttimer: remove critical section
* [#15878#15575](https://github.com/apache/nuttx/pull/1587815575) arch/risc-v/src/mpfs: Move PLIC interrupt enable/disable to mpfs_plic and handle pending interruptssched/wqueue: fix potential deadlock
* [#15879#15576](https://github.com/apache/nuttx/pull/1587915576) archsched/mcx-nxxx: Add support for NXP MCX-N236 CPUwdog: remove wd_cancel_irq() implement
* [#15886#15587](https://github.com/apache/nuttx/pull/1588615587) arch/risc-v/src/mpfs: Implement wrcomplete support for coremmc driversched/wqueue: some minor improve to reduce sched_lock range 
* [#15892#15589](https://github.com/apache/nuttx/pull/1589215589) arch/ra4: Add support for Renesas RA4M1 MCUsched/mqueue/CMakeLists.txt: fix compilation for CONFIG_DISABLE_MQUEUE_SYSV=n
* [#15901#15686](https://github.com/apache/nuttx/pull/15901) arch/arm64: fix boot stage prints with CONFIG_ARCH_EARLY_PRINT=y
* [#1590815686) No need to call sched_lock explicitly after call spin_lock_irqsave, s…
* [#15862](https://github.com/apache/nuttx/pull/1590815862) arch/mcx-nxxx: Add GPIO interrupt supportsched/spin_lock: continue work to rename raw_spin* to spin_*_notrace

mm

* [#15910#15384](https://github.com/apache/nuttx/pull/15910) arch/risc-v: Add ARCH_HAVE_RAMFUNCS to ESP32-C6 and ESP32-H215384) mm: Unified memory management alignment length
* [#15076#15490](https://github.com/apache/nuttx/pull/1507615490) arch/arm: migrate to SPDX identifiermm: Add mm_lock_irq, mm_unlock_iq
* [#15092#15761](https://github.com/apache/nuttx/pull/1509215761) nxgdb/mm: show pool expand queue size

libc

* [#15104) cxd56_rtc.c: use small lock in arch/arm/src/cxd56xx/cxd56_rtc.c
* [#15093](https://github.com/apache/nuttx/pull/15093) lc823450_dma: use small lock in arch/arm/src/lc823450/lc823450_dma.c
* [#1509415104) libs/libc: add a option to disable path buffer by default
* [#15120](https://github.com/apache/nuttx/pull/15094) max32660_rtc: use small lock in arch/arm/src/max326xx/max32660/max32660_rtc.c
* [#1509615120) libc/chdir: chdir/fchdir should not depend on environment variables
* [#15125](https://github.com/apache/nuttx/pull/15125) libc/chdir: replace heap alloc to path buffer to improve performance
* [#15197](https://github.com/apache/nuttx/pull/15096) s32k3xx_serial: use small lock in arch/arm/src/s32k3xx/s32k3xx_serial.c
* [#1509715197) libs/libc/stdlib: update BSD 4 -> 3 clause license headers.
* [#15198](https://github.com/apache/nuttx/pull/1509715198) litex_serial: use small lock in arch/risc-v/src/litex/litex_serial.clib_pathbuffer.c:Use atomic instead of locks
* [#15144#15210](https://github.com/apache/nuttx/pull/15144) arch/arm64/imx9: Fix usdhc dma receive15210) libxx: Make LIBCXXABI default for sim/macOS
* [#15221#15328](https://github.com/apache/nuttx/pull/15221) esp32s3_rtc: use small lock in arch/xtensa/src/esp32s3/esp32s3_rtc.c15328) libc/machine: fix config error
* [#15222#15407](https://github.com/apache/nuttx/pull/15222) lc823450_rtc: use small lock in arch/arm/src/lc823450/lc823450_rtc.c15407) libs/gdbstub fixes
* [#15225#15551](https://github.com/apache/nuttx/pull/15225) esp32c3_rtc: use small lock in arch/risc-v/src/esp32c3-legacy/esp32c3_rtc.c
* [#1522615551) libc/unistd: move NAME_MAX/LINE_MAX/PATH_MAX define to unistd
* [#15578](https://github.com/apache/nuttx/pull/1522615578) arch/sim/src/nuttx-names.in: Add pipe2libs/lib_tempbuffer: set `errno` when fails
* [#15232#15581](https://github.com/apache/nuttx/pull/15232) esp32_rtc: use small lock in arch/xtensa/src/esp32s2/esp32s2_rtc.c
* [#1525515581) libc/gnssutils: remove C99 standard flag from Make.defs
* [#15627](https://github.com/apache/nuttx/pull/15627) fix(libc): lib_strftime %F month number off-by-one
* [#15772](https://github.com/apache/nuttx/pull/15772) libc/wcsrtombs: Fix the wcsrtombs() according to the POSIX standard
* [#15830](https://github.com/apache/nuttx/pull/15830) libs/libc/modlib/modlib_bind.c: Fix system crash if modlib_bind fails
* [#15865](https://github.com/apache/nuttx/pull/15865) libc/libcxx: fix failures with GCC 14
* [#15868](https://github.com/apache/nuttx/pull/15868) libs/libnx: do not generate resource if CONFIG_NX is not enabled

tools

* [#15847](https://github.com/apache/nuttx/pull/15847) tools/nxstyle: handle case statement
* [#15740](https://github.com/apache/nuttx/pull/15740) tools: rename GDB plugin to pynuttx/nxgdb and enable PyPI packaging
* [#15542](https://github.com/apache/nuttx/pull/15542) tools/refresh.sh: Add log for progress
* [#15531](https://github.com/apache/nuttx/pull/15531) tools/refresh.sh: Should continue to refresh other configs when matching debug configs
* [#15492](https://github.com/apache/nuttx/pull/15492) tools/nxstyle.c: Add missing zlib function names to white list
* [#15304](https://github.com/apache/nuttx/pull/15304) tools/Unix.mk: Add debug_info target to print nxdiag output
* [#15694](https://github.com/apache/nuttx/pull/15694) tools/mkexport: kernel mode module/elf flags
* [#15696](https://github.com/apache/nuttx/pull/15696) tools: Export LLVM flags for kernel build
* [#15697](https://github.com/apache/nuttx/pull/15697) tools: Export ZIG/ZIGFLAGS in Export.mk instead

various

* [#15123](https://github.com/apache/nuttx/pull/15123) binfmt/modlib: reduce size of binary_s if CONFIG_LIBC_MODLIB is disabled
* [#15124](https://github.com/apache/nuttx/pull/15124) binfmt/loadable: move binary_s to stack to avoid access allocator
* [#15756](https://github.com/apache/nuttx/pull/15756) include/stdlib.h: define system()'s prototype for the flat build
* [#15640](https://github.com/apache/nuttx/pull/15640) modlib/meminfo: trivial revision on logging/dump
* [#15588](https://github.com/apache/nuttx/pull/15588) modlib: fix armv7a w/ unified gnu-elf.ld.in
* [#15527](https://github.com/apache/nuttx/pull/15527) modlib:gnu-elf.ld.in load exe elf data section mismatch
* [#15494](https://github.com/apache/nuttx/pull/15494) kconfiglib/mark: It should use pip instead of apt install

Major Changes to the Build System

New Features

Bug Fixes

Architectural Support

New Architecture Support

Architecture Improvements

* [#15080](https://github.com/apache/nuttx/pull/15080) xtensa/esp32: encrypted MTD for partition offset
* [#15082](https://github.com/apache/nuttx/pull/15082) xtensa/esp32s3: add lock for async operation work
* [#15083](https://github.com/apache/nuttx/pull/15083) arch/arm64/src/imx9/imx9_usdhc.c: Simplify eventwait logic and remove…
* [#15084](https://github.com/apache/nuttx/pull/15084) risc-v/mpfs: make cache clearing optional
* [#15769](https://github.com/apache/nuttx/pull/15769) arch/zynq-mpsoc improve the ethernet driver
* [#15781](https://github.com/apache/nuttx/pull/15781) arch/arm/src/samv7/sam_tc_lowerhalf.c: do not set the CPCSTOP bit
* [#15800](https://github.com/apache/nuttx/pull/15800) arch/armv7-r: PROTECTED mode support (1/2)
* [#15813](https://github.com/apache/nuttx/pull/15813) arch/armv7-r: PROTECTED mode support (2/2)
* [#15835](https://github.com/apache/nuttx/pull/15835) arch/risc-v: move stack boundary check into backtrace
* [#15837](https://github.com/apache/nuttx/pull/15837) arch/arm/max326xx: add max32690 gpio driver
* [#15843](https://github.com/apache/nuttx/pull/15843) arch/arm/imx9: scmi: update to scmi 3.2 spec
* [#15872](https://github.com/apache/nuttx/pull/15872) arch/arm/tiva: Add complementary PWM mode support
* [#15878](https://github.com/apache/nuttx/pull/15878) arch/risc-v/src/mpfs: Move PLIC interrupt enable/disable to mpfs_plic and handle pending interrupts
* [#15879](https://github.com/apache/nuttx/pull/15879) arch/mcx-nxxx: Add support for NXP MCX-N236 CPU
* [#15886](https://github.com/apache/nuttx/pull/15886) arch/risc-v/src/mpfs: Implement wrcomplete support for coremmc driver
* [#15892](https://github.com/apache/nuttx/pull/15892) arch/ra4: Add support for Renesas RA4M1 MCU
* [#15901](https://github.com/apache/nuttx/pull/15901) arch/arm64: fix boot stage prints with CONFIG_ARCH_EARLY_PRINT=y
* [#15908](https://github.com/apache/nuttx/pull/15908) arch/mcx-nxxx: Add GPIO interrupt support
* [#15910](https://github.com/apache/nuttx/pull/15910) arch/risc-v: Add ARCH_HAVE_RAMFUNCS to ESP32-C6 and ESP32-H2
* [#15076](https://github.com/apache/nuttx/pull/15076) arch/arm: migrate to SPDX identifier
* [#15092](https://github.com/apache/nuttx/pull/15092) cxd56_rtc.c: use small lock in arch/arm/src/cxd56xx/cxd56_rtc.c
* [#15093](https://github.com/apache/nuttx/pull/15093) lc823450_dma: use small lock in arch/arm/src/lc823450/lc823450_dma.c
* [#15094](https://github.com/apache/nuttx/pull/15094) max32660_rtc: use small lock in arch/arm/src/max326xx/max32660/max32660_rtc.c
* [#15096](https://github.com/apache/nuttx/pull/15096) s32k3xx_serial: use small lock in arch/arm/src/s32k3xx/s32k3xx_serial.c
* [#15097](https://github.com/apache/nuttx/pull/15097) litex_serial: use small lock in arch/risc-v/src/litex/litex_serial.c
* [#15144](https://github.com/apache/nuttx/pull/15144) arch/arm64/imx9: Fix usdhc dma receive
* [#15221](https://github.com/apache/nuttx/pull/15221) esp32s3_rtc: use small lock in arch/xtensa/src/esp32s3/esp32s3_rtc.c
* [#15222](https://github.com/apache/nuttx/pull/15222) lc823450_rtc: use small lock in arch/arm/src/lc823450/lc823450_rtc.c
* [#15225](https://github.com/apache/nuttx/pull/15225) esp32c3_rtc: use small lock in arch/risc-v/src/esp32c3-legacy/esp32c3_rtc.c
* [#15226](https://github.com/apache/nuttx/pull/15226) arch/sim/src/nuttx-names.in: Add pipe2
* [#15232](https://github.com/apache/nuttx/pull/15232) esp32_rtc: use small lock in arch/xtensa/src/esp32s2/esp32s2_rtc.c
* [#15255](https://github.com/apache/nuttx/pull/15255) at32_serial: use small lock in arch/arm/src/at32/at32_serial.c
* [#15263](https://github.com/apache/nuttx/pull/15263) imx_gpio: use small lock in arch/arm/src/imx6/imx_gpio.c
* [#15267](https://github.com/apache/nuttx/pull/15267) esp_rtc: use small lock in arch/risc-v/src/common/espressif/esp_rtc.c
* [#15269](https://github.com/apache/nuttx/pull/15269) arch/xtensa: Support `__thread` and `thread_local` keywords
* [#15290](https://github.com/apache/nuttx/pull/15290) imx9_flexcan: use small lock in arch/arm/src/imx9/imx9_flexcan.c
* [#15291](https://github.com/apache/nuttx/pull/15291) imx9_lpuart: use small lock in arch/arm(64)/src/imx9/imx9_lpuart.c
* [#15294](https://github.com/apache/nuttx/pull/15294) arch/risc-v/espressif: add missing spinlock to wlan_recvframe
* [#15325](https://github.com/apache/nuttx/pull/15325) arch/x86_64:g_current_regs is only used to determine if we are in irq,
* [#15381](https://github.com/apache/nuttx/pull/15381) arch/risc-v: inline up_cpu_index if RISCV_PERCPU_SCRATCH is not enabled
* [#15392](https://github.com/apache/nuttx/pull/15392) arch/x86_64: The interrupt context flag is stored in the CPU private …
* [#15396](https://github.com/apache/nuttx/pull/15396) arch/risc-v: Make CPU index handling based on ARCH_RV_CPUID_MAP
* [#15398](https://github.com/apache/nuttx/pull/15398) arch/x86_64: this_task is stored in the CPU private data
* [#15400](https://github.com/apache/nuttx/pull/15400) arch/qemu-armv7a: kernel mode cmake support
* [#15404](https://github.com/apache/nuttx/pull/15404) arch/xtensa: enable SPIRAM test during boot of ESP32|S3
* [#15408](https://github.com/apache/nuttx/pull/15408) arch/x86_64/include/intel64/irq.h: align definitions
* [#15409](https://github.com/apache/nuttx/pull/15409) arch/intel64: allow to attach handlers to ISR
* [#15420](https://github.com/apache/nuttx/pull/15420) arch/arm/stm32/: Fix I2C to support STM32G4 devices.
* [#15421](https://github.com/apache/nuttx/pull/15421) arch/arm/stm32/: Added enable/disable to timer low level ops.
* [#15458](https://github.com/apache/nuttx/pull/15458) arch/arm/stm32: fix stm32g4 enable pll code.
* [#15469](https://github.com/apache/nuttx/pull/15469) arch/risc-v: Improve LLVM CPU type detection with findstring
* [#15470](https://github.com/apache/nuttx/pull/15470) arch/esp32s3_partition: Read data from SPI Flash with decryption
* [#15473](https://github.com/apache/nuttx/pull/15473) arch/arm/stm32/i2c: raise compilation error when configuration is invalid
* [#15475](https://github.com/apache/nuttx/pull/15475) arch/risc-v: Refactor LLVM CPU type handling in Toolchain.cmake
* [#15486](https://github.com/apache/nuttx/pull/15486) arch/arm: Add LLVM configuration to CMake
* [#15504](https://github.com/apache/nuttx/pull/15504) arch/arm/rp23xx: Set priority for svcall exception
* [#15508](https://github.com/apache/nuttx/pull/15508) arch/x86_64:Resolve the issue of abnormal interrupt numbers triggered when KASAN is enabled
* [#15517](https://github.com/apache/nuttx/pull/15517) arch/arm: fix regression by spinlock change
* [#15519](https://github.com/apache/nuttx/pull/15519) arch/arm64: fix typo spin_lock_irqsave -> spin_unlock_irqrestore
* [#15529](https://github.com/apache/nuttx/pull/15529) arch/armv7a: fix vfork for KERNEL build
* [#15537](https://github.com/apache/nuttx/pull/15537) arch/risc-v: Decouple ARCH_RV_CPUID_MAP and up_cpu_index()
* [#15540](https://github.com/apache/nuttx/pull/15540) arch/risc-v: Remove riscv_mhartid
* [#15584](https://github.com/apache/nuttx/pull/15584) arch/Kconfig: allow FLASH config w/o MMU
* [#15585](https://github.com/apache/nuttx/pull/15585) arch/armv7-r: fix gic.h build error
* [#15642](https://github.com/apache/nuttx/pull/15642) arch/risc-v/src/mpfs: Disable external interrupts on all SMP harts
* [#15646](https://github.com/apache/nuttx/pull/15646) arch/arm64/src/imx9/imx9_lpuart.c: Call uart_xmitchars when txint is enabled
* [#15713](https://github.com/apache/nuttx/pull/15713) arch/risc-v/src/mpfs/mpfs_cache.c: Move l2zerodevice to use cache ways starting from 0
* [#15725](https://github.com/apache/nuttx/pull/15725) arch/risc-v/src/common/riscv_backtrace.c: Fix "error: pointer of type 'void *' used in arithmetic"
* [#15741](https://github.com/apache/nuttx/pull/15741) arch/xtensa: Add --print-memory-usage to LDFLAGS in Toolchain.defs
* [#1574815255) at32_serial: use small lock in arch/arm/src/at32/at32_serial.c
* [#15263](https://github.com/apache/nuttx/pull/1526315748) arch/arm64 Fix the SP unalignment issues) imx_gpio: use small lock in arch/arm/src/imx6/imx_gpio.c
* [#15267#15758](https://github.com/apache/nuttx/pull/15267) esp_rtc: use small lock in arch/risc-v/src/common/espressif/esp_rtc.c
* [#1526915758) arch/arm64: generate error if context size is not aligned to 16bytes
* [#15762](https://github.com/apache/nuttx/pull/15762) arch/arm: add semihosting poweroff
* [#15763](https://github.com/apache/nuttx/pull/1526915763) arch/risc-v/xtensaKconfig: Support `Select ARCH_RV_thread` and `thread_local` keywordsCPUID_MAP for all mpfs targets
* [#15290#15271](https://github.com/apache/nuttx/pull/15290) imx9_flexcan: use small lock in arch/arm/src/imx9/imx9_flexcan.c
* [#1529115271) Add Hardware Defines for STM32H5 QSPI Driver
* [#15351](https://github.com/apache/nuttx/pull/15351) Add STM32H5 QSPI Driver
* [#15411](https://github.com/apache/nuttx/pull/15291) imx9_lpuart: use small lock in arch/arm(64)/src/imx9/imx9_lpuart.c
* [#1529415411) Add FDCAN Character Driver to STM32H5 Architecture
* [#15495](https://github.com/apache/nuttx/pull/15495) Add Timer Support to STM32H5 ADC Driver
* [#15573](https://github.com/apache/nuttx/pull/1529415573) arch/risc-v/espressif: add missing spinlock to wlan_recvframesensors/sht4x: Converted SHT4X driver to UORB framework.
* [#15325#15583](https://github.com/apache/nuttx/pull/1532515583) Add STM32H5 Ethernet Driver) arch/x86_64:g_current_regs is only used to determine if we are in irq,
* [#15381#15819](https://github.com/apache/nuttx/pull/15381) arch/risc-v: inline up_cpu_index if RISCV_PERCPU_SCRATCH is not enabled
* [#1539215819) mpfs_i2c: Tweaks and fixes for the i2c driver
* [#15895](https://github.com/apache/nuttx/pull/1539215895) archriscv/x86_64: The interrupt context flag is stored in the CPU private …esp32c6: Fix issue related esp32c6 usbserial driver.
* [#15396#15072](https://github.com/apache/nuttx/pull/1539615072) arch/risc-v: Make CPU index handling based on ARCH_RV_CPUID_MAP: mem barrier interface Align with riscv
* [#15398#15166](https://github.com/apache/nuttx/pull/1539815166) arch/x86_64: this_task is stored in the CPU private data: cxd56xx: Fix not restart after TX error
* [#15400#15651](https://github.com/apache/nuttx/pull/15400) arch/qemu-armv7a: kernel mode cmake support
* [#15404/15651) arch: set (*running_task)->xcp.regs to NULL when exit from irq/exception
* [#15669](https://github.com/apache/nuttx/pull/1540415669) arch/xtensa: enable SPIRAM test during boot of ESP32|S3: select LIBC_ARCH_ELF when using COREDUMP
* [#15408#15728](https://github.com/apache/nuttx/pull/1540815728) arch/x86_64/include/intel64/irq.h: align definitions: Remove the abuse of spinlock in smp boot
* [#15409#15870](https://github.com/apache/nuttx/pull/1540915870) arch/intel64: allow to attach handlers to ISR: cxd56xx: Fix i2c bus freeze at i2c initialization
* [#15420#15884](https://github.com/apache/nuttx/pull/1542015884) arch/arm/stm32/: Fix I2C to support STM32G4 devices.: cxd56xx: Update delay value for subcore

Driver Support

New Driver Support

* [#15421#15295](https://github.com/apache/nuttx/pull/1542115295) arch/arm/stm32/: Added enable/disable to timer low level opsnuttx/audio: add fake audio driver.
* [#15458#15307](https://github.com/apache/nuttx/pull/1545815307) archdrivers/arm/stm32: fix stm32g4 enable pll code.sensors: Add support to Renesas FS3000 Air Velocity Flow
* [#15469#15332](https://github.com/apache/nuttx/pull/1546915332) arch/ risc-v: Improve LLVM CPU type detection with findstring/bl808: Add I2C driver
* [#15470#15496](https://github.com/apache/nuttx/pull/1547015496) arch/esp32s3_partition: Read data from SPI Flash with decryptiondrivers/sensors/bmi088: add driver for Bosch BMI088 IMU
* [#15473#15525](https://github.com/apache/nuttx/pull/1547315525) arch/arm/stm32/i2c: raise compilation error when configuration is invaliddrivers/sensors: Wrote a driver for the MCP9600 thermocouple amplifier.
* [#15475#15795](https://github.com/apache/nuttx/pull/15475/pull/15795) drivers/wireless/lpwan/sx126x: Initial standalone sx126x driver

Drivers With Significant Improvements

* [#15293) arch/risc-v: Refactor LLVM CPU type handling in Toolchain.cmake
* [#15486](https://github.com/apache/nuttx/pull/1548615293) archdrivers/armsensors: Add LLVM configuration to CMakeVelocity sensor type to UORB
* [#15504#15339](https://github.com/apache/nuttx/pull/1550415339) archDrivers/arm/rp23xx: Set priority for svcall exceptionthermal: Fix hysteresis takes no effect error
* [#15508#15340](https://github.com/apache/nuttx/pull/1550815340) archdrivers/x86_64:Resolve the issue of abnormal interrupt numbers triggered when KASAN is enablede1000: malloc size error
* [#15517#15342](https://github.com/apache/nuttx/pull/1551715342) archdrivers/sensors/arm: fix regression by spinlock changegnss: Fix deactivate failure when using both topic and device
* [#15519#15387](https://github.com/apache/nuttx/pull/1551915387) archdrivers/timers/arm64: fix typo spin_lock_irqsave -> spin_unlock_irqrestorewatchdog: add watchdog timer notifier chain
* [#15529#15406](https://github.com/apache/nuttx/pull/1552915406) archdrivers/armv7a: fix vfork for KERNEL buildserial: simplify 16550_PCI_UARTx_CLOCK config
* [#15537#15410](https://github.com/apache/nuttx/pull/1553715410) arch/riscvirtio-v: Decouple ARCH_RV_CPUID_MAP and up_cpu_index()rng: Register /dev/urandom driver if CONFIG_DEV_URANDOM=y
* [#15540#15440](https://github.com/apache/nuttx/pull/1554015440) archdrivers/risc-v: Remove riscv_mhartidvideo: add BRGA8888 support for goldfish gpu fb
* [#15584#15448](https://github.com/apache/nuttx/pull/1558415448) archdrivers/sensors/Kconfig: allow FLASH config w/o MMUgnss: Fix integer overflow error
* [#15585#15468](https://github.com/apache/nuttx/pull/15585) arch/armv7-r: fix gic.h build error
* [#15642/15468) drivers/sensors/gnss: Macro `UINT8_MAX` for maximum value of `uint8_t crefs
* [#15485](https://github.com/apache/nuttx/pull/1564215485) archdrivers/risc-v/src/mpfs: Disable external interrupts on all SMP harts
* [#15646usbdev/cdcacm.c: Fix a crash in cdcacm if usbdev gets unregistered while client calls close for the tty
* [#15498](https://github.com/apache/nuttx/pull/1564615498) arch/arm64/src/imx9/imx9_lpuart.c: Call uart_xmitchars when txint is enableddrivers/vhost: fix compile error while get vhost status.
* [#15713#15520](https://github.com/apache/nuttx/pull/1571315520) arch/risc-v/src/mpfs/mpfs_cache.c: Move l2zerodevice to use cache ways starting from 0
* [#15725drivers/note: fix typo falgs and align local name to irq_mask
* [#15564](https://github.com/apache/nuttx/pull/1572515564) arch/risc-v/src/common/riscv_backtrace.c: Fix "error: pointer of type 'void *' used in arithmetic"
* [#15741drivers/can: ctucanfd the first round of fixes - mainly for char dev
* [#15610](https://github.com/apache/nuttx/pull/1574115610) archdrivers/xtensa: Add --print-memory-usage to LDFLAGS in Toolchain.defssensor: add new sensot type to align android sensor type
* [#15748#15612](https://github.com/apache/nuttx/pull/15748) arch/arm64 Fix the SP unalignment issues15612) drivers: mcp23x08 add missing header and fix some defines
* [#15758#15629](https://github.com/apache/nuttx/pull/15758) arch/arm64: generate error if context size is not aligned to 16bytes
* [#15762/pull/15629) drivers/iovec: revert vector io implement from loop/null/zero driver
* [#15641](https://github.com/apache/nuttx/pull/1576215641) archdrivers/arm: add semihosting poweroffrpmsg: fix compiler warning
* [#15763#15654](https://github.com/apache/nuttx/pull/1576315654) arch/risc-v/Kconfig: Select ARCH_RV_CPUID_MAP for all mpfs targetsdrivers/rpmsg: update format string
* [#15271#15663](https://github.com/apache/nuttx/pull/15271) Add Hardware Defines for STM32H5 QSPI Driver15663) drivers/rpmsg_port_uart: remove debug message of datalen
* [#15351#15703](https://github.com/apache/nuttx/pull/15351) Add STM32H5 QSPI Driver15703) LIS2MDL UORB driver
* [#15411#15789](https://github.com/apache/nuttx/pull/15411) Add FDCAN Character Driver to STM32H5 Architecture15789) drivers/sensors: Added uORB driver for LSM6DSO32 IMU.
* [#15495#15799](https://github.com/apache/nuttx/pull/15495) Add Timer Support to STM32H5 ADC Driver15799) drivers/devicetree: merge ioresource MEM64 to prefetchable memory
* [#15573#15811](https://github.com/apache/nuttx/pull/1557315811) sensorsdrivers/sht4x: Converted SHT4X driver to UORB framework.thermal: Add support for passive trip point
* [#15583#15860](https://github.com/apache/nuttx/pull/15583) Add STM32H5 Ethernet Driver15860) drivers/sensors/lsm6dso32: fixed byte read command to include start condition
* [#15819#15871](https://github.com/apache/nuttx/pull/15819) mpfs_i2c: Tweaks and fixes for the i2c driver15871) drivers/rpmsg/Kconfig: Add SPI dependency for RPMSG_PORT_SPI
* [#15895#15875](https://github.com/apache/nuttx/pull/1589515875) riscvdrivers/sensors/esp32c6: Fix issue related esp32c6 usbserial driver.

Driver Support

New Driver Support

* [#15295ms56xx: Use nxsig_usleep for long delays.
* [#15882](https://github.com/apache/nuttx/pull/1529515882) nuttxdrivers/audio: add fake audio driver.net: change format specifiers macros on lan9250 driver
* [#15307#15891](https://github.com/apache/nuttx/pull/1530715891) drivers/thermal/sensors: Add support to Renesas FS3000 Air Velocity Flowcore: Fix work not queued after getting temperature fails
* [#15332#15914](https://github.com/apache/nuttx/pull/1533215914) drivers/audio/es8311: set proper format specifier for logging) risc-v/bl808: Add I2C driver
* [#15496#15918](https://github.com/apache/nuttx/pull/1549615918) drivers/sensorsaudio/bmi088: add driver for Bosch BMI088 IMUes8388: set proper format specifier macro for logging
* [#15525#14898](https://github.com/apache/nuttx/pull/1552514898) drivers/serial/sensors: Wrote a driver for the MCP9600 thermocouple amplifier.serial.c: adapt to the iovec-based api
* [#15795#15142](https://github.com/apache/nuttx/pull/1579515142) drivers/wirelesstimers/lpwan/sx126x: Initial standalone sx126x driver

...

watchdog: support the configurations of Auto-monitor r…
* [#15293#15145](https://github.com/apache/nuttx/pull/1529315145) drivers/sensors: Add Velocity sensor type to UORBbch: Drivers may not support command `BIOC_FLUSH`
* [#15339#15824](https://github.com/apache/nuttx/pull/1533915824) Drivers/thermal: Fix hysteresis takes no effect errorsensors/lsm6dso32: Fixed typo in device address registration.

Board Support

New Board Support

* [#15340#15785](https://github.com/apache/nuttx/pull/15340) drivers/e1000: malloc size error15785) esp32[s3]: Add ES8311 support for esp32s3-lcd-ev board
* [#15342#15798](https://github.com/apache/nuttx/pull/1534215798) drivers/sensors/gnss: Fix deactivate failure when using both topic and deviceboards/arm Add support to Seeed Xiao nRF52840 Board
* [#15387#15867](https://github.com/apache/nuttx/pull/1538715867) drivers/timers/watchdog: add watchdog timer notifier chainboards/Add ARCH_CHIP_ESP32S3WROOM1N16R8 configuration for ESP32-S3 DevKit

Boards With Significant Improvements

* [#15406#15539](https://github.com/apache/nuttx/pull/1540615539) drivers/serial: simplify 16550_PCI_UARTx_CLOCK configboards: Refresh configurations with refresh.sh
* [#15410#15541](https://github.com/apache/nuttx/pull/1541015541) virtio-rng: Register /dev/urandom driver if CONFIG_DEV_URANDOM=yboards: Replace `CONFIG_NSH_LINELEN` with `CONFIG_LINE_MAX`
* [#15440#15187](https://github.com/apache/nuttx/pull/1544015187) drivers/video: add BRGA8888 support for goldfish gpu fbboards: add nimble defconfig to esp32c3-generic
* [#15448#15224](https://github.com/apache/nuttx/pull/1544815224) boards/sim/sim/sim/scripts/Make.defs: simplify a bit) drivers/sensors/gnss: Fix integer overflow error
* [#15468#15390](https://github.com/apache/nuttx/pull/1546815390) drivers/sensors/gnss: Macro `UINT8_MAX` for maximum value of `uint8_t crefsboards/risc-v, xtensa: Remove CONFIG_DEV_ZERO
* [#15485#15427](https://github.com/apache/nuttx/pull/1548515427) drivers/usbdev/cdcacm.c: Fix a crash in cdcacm if usbdev gets unregistered while client calls close for the tty
* [#15498board/qemu-armv7a: add board_power_off
* [#15438](https://github.com/apache/nuttx/pull/1549815438) driversboards/vhost: fix compile error while get vhost status.xtensa: unify linker script for MCUBoot and Simple Boot
* [#15520#15524](https://github.com/apache/nuttx/pull/1552015524) driversboards/note: fix typo falgs and align local name to irq_maskxtensa: disable DEV_CONSOLE on usbnsh defconfig
* [#15564#15620](https://github.com/apache/nuttx/pull/1556415620) driversboards/can: ctucanfd the first round of fixes - mainly for char devqemu-armv7r: fix typo
* [#15610#15626](https://github.com/apache/nuttx/pull/1561015626) driversboards/sensor: add new sensot type to align android sensor typeqemu-armv7a: revises knsh config
* [#15612#15659](https://github.com/apache/nuttx/pull/1561215659) drivers: mcp23x08 add missing header and fix some definesnuttx/boards:fix kconfig under apps/testing folder that change config-testing-mm to config-testing-heap
* [#15629#15682](https://github.com/apache/nuttx/pull/1562915682) driversboards/iovec: revert vector io implement from loop/null/zero driverlinum-stm32h753bi: Fix wrong usbnsh example name
* [#15641#15698](https://github.com/apache/nuttx/pull/1564115698) drivers/rpmsg: fix compiler warningboards: Rename CONFIG_TESTING_SENSORTEST to CONFIG_SYSTEM_SENSORTEST
* [#15654#15704](https://github.com/apache/nuttx/pull/1565415704) driversboards/rpmsg: update format stringqemu-armv7a: revise nsh config
* [#15663#15710](https://github.com/apache/nuttx/pull/1566315710) drivers/rpmsg_port_uart: remove debug message of datalenboards/linum-stm32h753bi: Fix lvgl example
* [#15703#15724](https://github.com/apache/nuttx/pull/1570315724) boards/rv-virt: use modlib gnu-elf.ld) LIS2MDL UORB driver
* [#15789#15727](https://github.com/apache/nuttx/pull/1578915727) drivers/sensors: Added uORB driver for LSM6DSO32 IMU.boards/stm32/nucleo-f429zi: update netnsh defconfig
* [#15799#15750](https://github.com/apache/nuttx/pull/1579915750) drivers/devicetree: merge ioresource MEM64 to prefetchable memoryfeat: add arch depends for aurix tc397 board
* [#15811#15796](https://github.com/apache/nuttx/pull/1581115796) driversboards/thermal: Add support for passive trip pointlinum-stm32h753bi: optimize display timings and memory config
* [#15860#15817](https://github.com/apache/nuttx/pull/1586015817) driversboards/sensors/lsm6dso32: fixed byte read command to include start conditionstm32l4: Fix all boards to support proper stm32_bringup.c
* [#15871#15832](https://github.com/apache/nuttx/pull/1587115832) drivers/rpmsg/Kconfig: Add SPI dependency for RPMSG_PORT_SPIboards/b-g431b-esc1: configure CAN_TERM pin
* [#15875#15833](https://github.com/apache/nuttx/pull/1587515833) driversboards/sensors/ms56xx: Use nxsig_usleep for long delays.stm32: fix CAN bit timings for boards
* [#15882#15834](https://github.com/apache/nuttx/pull/1588215834) driversboards/net: change format specifiers macros on lan9250 driverstm32: enable SocketCAN utils for cansock configs
* [#15891#15836](https://github.com/apache/nuttx/pull/1589115836) drivers/thermal/core: Fix work not queued after getting temperature failsboards/esp32s3-devkit: Initializing configuration for Fastboot
* [#15914#15863](https://github.com/apache/nuttx/pull/1591415863) driversboard/audioarm/es8311: set proper format specifier for loggingrp2040: support config st7789 reset gpio pin
* [#15918#15894](https://github.com/apache/nuttx/pull/1591815894) driversboards/arm/audiorp2040/es8388: set proper format specifier macro for logging

Board Support

New Board Support

...

common: Add weak_function to SPI common logic

File System

Bug Fixes

* [#13519](https://github.com/apache/nuttx/pull/13519) fs/reference_count: set default reference count option depends on DISABLE_PTHREAD
* [#14444](https://github.com/apache/nuttx/pull/14444) fs/inode: refresh tcb after each file sync() is completed
* [#15077](https://github.com/apache/nuttx/pull/15077) fs/tmpfs: Skip any slash at the beginning of relpath
* [#15202](https://github.com/apache/nuttx/pull/15202) fs: fix comment in https://github.com/apache/nuttx/pull/15163
* [#15159](https://github.com/apache/nuttx/pull/15159) fs/shm/shmfs_alloc.c: Allocate zero-initialized memory in flat build
* [#15167](https://github.com/apache/nuttx/pull/15167) fs/fat/fs_fat32util.c: fix potential exception due to dividing zero during mounting when fat is corrupted
* [#15203](https://github.com/apache/nuttx/pull/15203) fs: move fl_lock to a more appropriate location
* [#15204](https://github.com/apache/nuttx/pull/15204) fs/littlefs/Make.defs: fix a littlefs unpack regression
* [#15603](https://github.com/apache/nuttx/pull/15603) fs/vfs: initialize uio only if lower implement readv/writev
* [#15814](https://github.com/apache/nuttx/pull/15814) littlefs/cmake: fix compilation flag issue

...